IO

Isao Ohtake

SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
SC Showa Denko Plastic Products Co.: 1 patents #2 of 17Top 15%
TC Tokushu Paper Mfg. Co.: 1 patents #14 of 39Top 40%
Overall (All Time): #2,186,640 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6682517 Plural compartment medical container Tomohiko Ezaki, Hitoshi Saitoh, Akihiko Sakata, Takayuki Mizuo 2004-01-27
5325893 Air duct and paper therefor Akinobu Takagi, Osamu Nakano, Toru Murakami 1994-07-05